Answer:
F=-1
F=5-3x
F=5-3(2)
F=5-6
F=-1
Explanation:
the x in the equation 5-3x can be replaced by the number 2. Giving you 5-3(2). Which can be simplified by first multiplying the 3 and the 2 to get 6. Now you have 5-6, and you can subtract that to get your f.